import {ADD_PERSON} from '../constant';

const initState = [{ id: '01', name: 'zhang3', age: 18 }];
export default function personReducer (preState = initState, action){
  const {type, data} = action;
  switch(type){
    case ADD_PERSON:
      return [data, ...preState];
    default:
      return preState;
  }
}